nanogui: Graphics Plane Support
Subject:
Re: [nanogui] Graphics Plane Support
From:
"Greg Haerr" ####@####.####
Date:
12 Jun 2008 15:43:14 -0000
Message-Id: <044d01c8cca3$471fa190$6401a8c0@winXP>
: Well, consider I am writing an application for TV and the application
should
: display a simple screen on TV. The screen should be as follows:
Whether the screen is a TV or not is completely seperate from
the business of nano-X writing its framebuffer. Setting up any
alpha or video along with the nano-X framebuffer will have to
be done outside of nano-X.
: 1. There is a background image, that is, a gif file displayed as screen
: background (implemented using GrSetBackgroundPixmap()).
This should work fine as is.
: 2. A text is displayed on the top of the background on TV screen.
: Now I want that the text background to be transparent. That means the
: background image should be displayed from within the text message. Is it
: possible using nano-x?
:
When you set drawing text background to OFF with
GrGCUseBackground, then text will be drawn without
any background clears, and should be fine.
: Assume there is no video on TV.
:
Again, that doesn't really have anything to do with how nano-X
writes the framebuffer supplied to it.
Regards,
Greg
